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test: add unit test for appConfig

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Signed-off-by: Philip Molares <philip.molares@udo.edu>
This commit is contained in:
Philip Molares 2022-03-04 01:02:06 +01:00
parent 029881f380
commit de8bad13cf
1 changed files with 214 additions and 0 deletions
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src/config/app.config.spec.ts Normal file
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/*
* SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
*
* SPDX-License-Identifier: AGPL-3.0-only
*/
import mockedEnv from 'mocked-env';
import appConfig from './app.config';
import { Loglevel } from './loglevel.enum';
describe('appConfig', () => {
const domain = 'https://example.com';
const invalidDomain = 'localhost';
const rendererOrigin = 'https://render.example.com';
const port = 3333;
const negativePort = -9000;
const floatPort = 3.14;
const outOfRangePort = 1000000;
const invalidPort = 'not-a-port';
const loglevel = Loglevel.TRACE;
const invalidLoglevel = 'not-a-loglevel';
describe('correctly parses config', () => {
it('when given correct and complete environment variables', async () => {
const restore = mockedEnv(
{
/* eslint-disable @typescript-eslint/naming-convention */
HD_DOMAIN: domain,
HD_RENDERER_ORIGIN: rendererOrigin,
PORT: port.toString(),
HD_LOGLEVEL: loglevel,
/* eslint-enable @typescript-eslint/naming-convention */
},
{
clear: true,
},
);
const config = appConfig();
expect(config.domain).toEqual(domain);
expect(config.rendererOrigin).toEqual(rendererOrigin);
expect(config.port).toEqual(port);
expect(config.loglevel).toEqual(loglevel);
restore();
});
it('when no HD_RENDER_ORIGIN is set', () => {
const restore = mockedEnv(
{
/* eslint-disable @typescript-eslint/naming-convention */
HD_DOMAIN: domain,
PORT: port.toString(),
HD_LOGLEVEL: loglevel,
/* eslint-enable @typescript-eslint/naming-convention */
},
{
clear: true,
},
);
const config = appConfig();
expect(config.domain).toEqual(domain);
expect(config.rendererOrigin).toEqual(domain);
expect(config.port).toEqual(port);
expect(config.loglevel).toEqual(loglevel);
restore();
});
it('when no PORT is set', () => {
const restore = mockedEnv(
{
/* eslint-disable @typescript-eslint/naming-convention */
HD_DOMAIN: domain,
HD_RENDERER_ORIGIN: rendererOrigin,
HD_LOGLEVEL: loglevel,
/* eslint-enable @typescript-eslint/naming-convention */
},
{
clear: true,
},
);
const config = appConfig();
expect(config.domain).toEqual(domain);
expect(config.rendererOrigin).toEqual(rendererOrigin);
expect(config.port).toEqual(3000);
expect(config.loglevel).toEqual(loglevel);
restore();
});
it('when no HD_LOGLEVEL is set', () => {
const restore = mockedEnv(
{
/* eslint-disable @typescript-eslint/naming-convention */
HD_DOMAIN: domain,
HD_RENDERER_ORIGIN: rendererOrigin,
PORT: port.toString(),
/* eslint-enable @typescript-eslint/naming-convention */
},
{
clear: true,
},
);
const config = appConfig();
expect(config.domain).toEqual(domain);
expect(config.rendererOrigin).toEqual(rendererOrigin);
expect(config.port).toEqual(port);
expect(config.loglevel).toEqual(Loglevel.WARN);
restore();
});
});
describe('throws error', () => {
it('when given a non-valid HD_DOMAIN', async () => {
const restore = mockedEnv(
{
/* eslint-disable @typescript-eslint/naming-convention */
HD_DOMAIN: invalidDomain,
PORT: port.toString(),
HD_LOGLEVEL: loglevel,
/* eslint-enable @typescript-eslint/naming-convention */
},
{
clear: true,
},
);
expect(() => appConfig()).toThrow('HD_DOMAIN');
restore();
});
it('when given a negative PORT', async () => {
const restore = mockedEnv(
{
/* eslint-disable @typescript-eslint/naming-convention */
HD_DOMAIN: domain,
PORT: negativePort.toString(),
HD_LOGLEVEL: loglevel,
/* eslint-enable @typescript-eslint/naming-convention */
},
{
clear: true,
},
);
expect(() => appConfig()).toThrow('"PORT" must be a positive number');
restore();
});
it('when given a out-of-range PORT', async () => {
const restore = mockedEnv(
{
/* eslint-disable @typescript-eslint/naming-convention */
HD_DOMAIN: domain,
PORT: outOfRangePort.toString(),
HD_LOGLEVEL: loglevel,
/* eslint-enable @typescript-eslint/naming-convention */
},
{
clear: true,
},
);
expect(() => appConfig()).toThrow(
'"PORT" must be less than or equal to 65535',
);
restore();
});
it('when given a non-integer PORT', async () => {
const restore = mockedEnv(
{
/* eslint-disable @typescript-eslint/naming-convention */
HD_DOMAIN: domain,
PORT: floatPort.toString(),
HD_LOGLEVEL: loglevel,
/* eslint-enable @typescript-eslint/naming-convention */
},
{
clear: true,
},
);
expect(() => appConfig()).toThrow('"PORT" must be an integer');
restore();
});
it('when given a non-number PORT', async () => {
const restore = mockedEnv(
{
/* eslint-disable @typescript-eslint/naming-convention */
HD_DOMAIN: domain,
PORT: invalidPort,
HD_LOGLEVEL: loglevel,
/* eslint-enable @typescript-eslint/naming-convention */
},
{
clear: true,
},
);
expect(() => appConfig()).toThrow('"PORT" must be a number');
restore();
});
it('when given a non-loglevel HD_LOGLEVEL', async () => {
const restore = mockedEnv(
{
/* eslint-disable @typescript-eslint/naming-convention */
HD_DOMAIN: domain,
PORT: port.toString(),
HD_LOGLEVEL: invalidLoglevel,
/* eslint-enable @typescript-eslint/naming-convention */
},
{
clear: true,
},
);
expect(() => appConfig()).toThrow('HD_LOGLEVEL');
restore();
});
});
});